Ballhaus William L
Chairman, President & CEO
Ballhaus William L has filed 6 SEC Form 4 filings (19 transaction rows) across 1 company, with disclosures dating back to 2026. 6 of those filings fall inside the rolling window. Most recent filing: Sep 15, 2026.
On the most recent filing, Ballhaus William L is listed as Chairman, President & CEO at MERCURY SYSTEMS INC. Inside the rolling window, Ballhaus William L reported no open-market purchases and 8 open-market sales totaling $37.7M in MRCY. The largest disclosed transaction in the window is a sale of 108,209 MRCY shares on Aug 24, 2026, worth $9.7M.
Companies traded
Other insiders at MRCY
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$37.7M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| MRCY | Chairman, President & CEO | Sale | 111,076 | $9.7M | Aug 27 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 49,090 | $4.4M | Aug 27 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 65,000 | $6.0M | Aug 25 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 108,209 | $9.7M | Aug 25 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 26,802 | $2.7M | Aug 21 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 22,010 | $2.1M | Aug 21 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 3,536 | $389K | Aug 19 | SEC ↗ | |
| MRCY | Chairman, President & CEO | Sale | 24,144 | $2.7M | Aug 19 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Ballhaus William L made?
Ballhaus William L has filed 6 SEC Form 4 filings (19 transaction rows) across 1 company since 2026.
Which companies does Ballhaus William L trade?
Ballhaus William L has filed SEC Form 4 disclosures for 1 company, including MRCY.
When was Ballhaus William L's most recent SEC Form 4 filing?
Ballhaus William L's most recent SEC Form 4 filing on Tracefour is dated Sep 15, 2026.
What is Ballhaus William L's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Ballhaus William L is listed as Chairman, President & CEO.
What is Ballhaus William L's total buy and sell value in the current window?
Inside the rolling retention window, Ballhaus William L bought $0 and sold $37.7M based on SEC Form 4 filings.
What was Ballhaus William L's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 108,209 MRCY shares on 2026-08-24, worth $9.7M, per SEC Form 4 filings.